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Occurs in dry forests, easily distinguished by its panicled, globular inflorescence and stipular thorns. Recommended for plantations in degraded soils and it can also be tried in alluvial soils.
Fruiting : Pods 10 to 20 by 0.5 to 1 cms in size; linear, sub-indehiscent and glabrous. Seeds 10 to 20, irregularly elliptical, 5 to 6 mm by 4 to 5 mm in size, dark brown, smooth and shining.
Morphology of the Fruit/Seed : Pods 10 to 20 by 0.5 to 1 cms in size; linear, sub-indehiscent and glabrous. Seeds 10 to 20, irregularly elliptical, 5 to 6 mm by 4 to 5 mm in size, dark brown, smooth and shining.
Seed Collection and Storage : Ripe pods are collected from the tree, dried in the sun and then beaten with a stick to extract the seeds.
Pretreatment : Heating with water (20 times of volume of the seed ) to boiling and then leaving seed in water till cold; or soaking in conc. H2SO4 for 10 to 30 minutes after which the acid is removed and cold water is added.
Nursery Technique : Plants may be raised in polythene bags by putting 2 pretreated seeds in each polythene bag in May. Germination is noticed within a week. Watering and weeding is done regularly. Plants reach plantable size in the first season itself.
|No.of seeds per kg.||Germination percentage||Plant percent||Germination period in days|
|37,000 to 49,000||42||30 to 42||7 to 32|